Alien Swarm Adds AI Director, New Difficulty

4 Rate up
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alexnakam Aug 8 @ 1:21am 
And,this is the last uptade valve made to this game..
Lindforce Jul 15 @ 11:39am 
Awesome game
Loqe32 Jul 6 @ 10:08am 
yea when is workshop comin??
[ิ‿ิ] Jul 14, 2013 @ 5:53pm 
when a workshop will come ?
Bohio V 2.0 Dec 26, 2012 @ 6:59pm 
706 hours playing!!! I never get bored
Moxie (ASMX) Nov 11, 2012 @ 7:18am 
Valve, make new official levels please! =)
doctor pavel i'm cia Nov 1, 2012 @ 10:10am 
I miss this game... Wish they would have added some more content before abandoning it.
HULT Aug 13, 2012 @ 7:39pm 
i need help with alien swarm when i enter the game it only appears something sayng no steam and quit help pls
1up Aug 12, 2012 @ 11:32am 
For people who have any interest in MODDING. Please check here if you have any future interest in Alien Swarm and would like to see some changes made.